Answer:
2/3
Step-by-step explanation:
To add fractions add the numbers on top to each other and leave the bottom numbers alone if they are the same number.
Answer:
B
Step-by-step explanation:
all you need is to solve the first term
2x² - (-3x²) = 5x² ,
b is the only answer with 5x² in it
PH can be calculated using the following equation
pH = -log [H₃O⁺]
for apple juice the hydronium /hydrogen ion concentration is 0.0003
pH = -log (0.0003)
pH = 3.5
correct answer is C
For ammonia
pH = -log (3.1 x 10⁻⁹)
pH = 8.5
answer should be 8.5
The factors of 32 as required in the task content are; 2, 4, 8, 16, 32.
<h3>What are the factors of 32?</h3>
The factors of the number 32 as required in the task content are numbers whose multiples amount to 32 and are as listed above.
The item prices as given in the task content rounded to the nearest £1 are;
Notebook
£2.15 = £2
Pencil Case
£3.80 = £4
Colouring Pencil
£1.49 = £1
Read more on rounding off;
brainly.com/question/12263092
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